Pure acid is to be added to a 10 % acid solution to obtain 99 L of a 20 % acid solution. What amounts of each should be used?

McKinsey bought 1/2 pounds of coffee for 11 and $82 what was the cost per pound

A painter wants to make a light green paint them anything 3 gallons of blue paint with 5 gallons of yellow paint so that the ratio of blue to yellow paint is 3:5 on the line below right the unit rate associated with the ratio 3:5

Solve for b r=x (a+b)

A teacher is making worksheets for the next unit. He can create 3 worksheets in an hour and has 10 worksheets already created from the previous year.

Trail mix cost $5.76 for 8 ounces. What is the cost per ounce?

Divide. -24/7 enter the answer as a mixed number, in simplified form, in the box

Biff's suspension bridge has 40-foot towers spaced 80 feet apart. The main cable reaches down to a height of 5 feet from the level road surface; seven vertical cables are spaced 10 feet from each tower and from one another.

X - 2 = 16 A. 14 B. 18 C. 21 D. 12

A composite figure is comprised of a square and 4 semicircles. How can you decompose the composite figure to determine its area?

What is T. S. A formula of cube, cuboid?